Compare software

Proxmox VEOpenNebula
Freemium

Free to download and use under the AGPLv3. Paid subscriptions add the enterprise…

 Freemium

Open-source platform, with paid subscriptions for support and integrated OS subscriptions.

Linux, Self-hosted Linux, Web, Self-hosted
  • One web interface for KVM virtual machines and LXC containers on the same host
  • Backup, restore and high-availability clustering included rather than sold separately
  • Manages VMs and Kubernetes in one platform
  • High availability, scheduling and multi-site federation
  • Dedicated hardware: it is the operating system, not an app you run on your desktop
  • Without a subscription you use the no-subscription repository and see a reminder at each login
  • Built for data centres, too large for a single home server
  • Support and some integrations come through paid subscriptions
Operating system, Self-hosted Self-hosted
Open source Open source
License: AGPL-3.0 License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.